JP3096389U - Data projector device - Google Patents

Abstract

(57) [Problem] To provide a data projector device in which a temperature of a front panel is prevented from excessively rising. SOLUTION: A light source 2, a device 4, a fan 8, a substrate unit 6 and the like are arranged at predetermined positions in a housing 20 of the data projector device 1. The light source 2 and the device 4 are arranged close to the front panel 10 side. The board part 6 is provided on the back side opposite to the front panel 10. A fan 8 is provided between the light source 2 and the board unit 6. An air intake 16 for taking air into the housing 20 is formed on a side portion of the housing 20. The front panel 10 has an air outlet 18 for discharging air from the housing 20.
On the back side of the front panel 10, an aluminum tape member 12 is mounted. The aluminum tape member 12 has a plurality of openings.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a data projector device, and more particularly, to a temperature rise of a front panel. The present invention relates to a data projector device that can be suppressed.

[0002]

[Prior art]

  BACKGROUND ART A projector device is one of the devices for projecting an image or the like on a screen. In the projector device, the light emitted from the light source is projected on the screen. light source For example, mercury lamps, metal hydride lamps, xenon lamps, etc. Is used.

[0003]   The light source becomes hot when turned on. Therefore, it is necessary to cool the light source. In order to cool the light source, for example, it is described in JP-A-2002-214703. In the projector device 101 that has been installed, as shown in FIG. 10, air is supplied to the bottom of the housing 120. A mouth 116 and an air supply fan 117 are provided. On the other hand, the rear surface of the housing 120 An air outlet 118 and an exhaust fan 119 are provided.

[0004]   Outside air is taken into the housing 120 from outside the air supply port 116 by the air supply fan 117. As a result, the light source 102 and the like are cooled.

[0005]   In addition, for example, the projector described in Japanese Patent Laid-Open No. 2000-35614 In the device 101, as shown in FIG. 11, the heat sink 130 is attached to the light source 102. Further, the cooling fan 131 is installed near the light source 102.

[0006]   The cooling fan 131 draws in the cooling air by sucking it. The light source 102 and the heat sink 130 are cooled.

[0007]

[Patent Document 1]   JP 2000-356145 A

[0008]

[Patent Document 2]   JP 2002-214703 A

[0009]

[Patent Document 3]   JP, 2001-330818, A

[0010]

[Problems to be solved by the device]

  In recent years, as one of projector devices, digital signal processing has been a basic A data projector device has been proposed for displaying visual information such as digital images. There is.

[0011]   As shown in FIG. 12, in the data projector device 101, the light source 102 emits light. The emitted light passes through the color filter 102b and enters the predetermined device 104. To be done. This device 104 is a spatial light modulator, and the inside of it is a semiconductor chip. Mirrors 104a as high-speed digital optical switches corresponding to the number of pixels Has been formed.

[0012]   Light incident on the device 104 is reflected by the mirror 104a and emitted. The angle can be changed by, for example, about 90 ° with respect to the tilted direction. The redirected light is The light passes through the lens 114 and is projected on a screen (not shown).

[0013]   Thus, in the data projector device 101, the light emitted from the light source 102 Will be reflected by a given device 104 and projected onto the screen. It

[0014]   By the way, downsizing of the data projector device 101, The light source 102, the device 104 and the lens 114 are connected to each other in order to eliminate the influence. Required to be close to each other and to shorten the optical path from the light source 102 to the lens 114. To be done.

[0015]   Therefore, the light source 102 and the device 104 are located at the front of the lens 114. It will be arranged close to the panel 110 side. Light source 102 and device To process the signal, etc., in order to arrange the window 104 on the side of the front panel 110. The board portion 106 is necessarily arranged on the rear side with respect to the front panel 110. It will be.

[0016]   At this time, in order to cool the light source 102, in order to cool the light source 102, When the air is made to flow toward the side, the air warmed by the light source 102 is discharged to the substrate. It will flow to the side of the section 106, and the signal processing etc. in the board section 106 will be affected. May occur.

[0017]   Also, it tries to flow air from the light source 102 side toward the device 104 side. And the air warmed by the light source 102 causes the mirror in the device 104 to -The control of 104a, etc. may be affected. Conversely, on the side of device 104 When trying to flow air from the side toward the light source 102, the width of the housing 120 becomes large. Become

[0018]   Therefore, in order to cool the light source 102, the light source 10 is applied from the side of the substrate unit 106. Air will flow toward the 2 side. The air is sent toward the light source 102. The fan 108 for mounting is disposed, for example, between the substrate 106 and the light source 102. In this case, the air intake port 116 is, for example, a side portion of the housing 120 or a rear surface portion. Will be installed in.

[0019]   It is taken in from the air intake 116 and blown onto the light source 102 by the fan 108. The air thus taken in is to be sent out of the housing 120 from the front panel 110. It At this time, the front panel 110 is prevented from leaking light from the light source 102. No relatively large opening can be provided to stop. Also, due to the design It is not preferable to provide the long panel 110 with a large opening.

[0020]   Therefore, the air will flow through a small gap (not shown) in the front panel 110. Will be discharged to the outside of the casing 120. At this time, the heat of the light source 102 Since the air warmed by the air will hit the front panel 110 directly, The temperature of the front panel 110 rises to about 100 ° C.

[0021]   As a method for preventing such a temperature rise of the front panel 110, For example, as described in JP 2001-330818 A, a tape having high thermal conductivity. There is a method of attaching a member to a portion where the temperature rises to release the heat of the member.

[0022]   However, in this method, heat is conducted to the tape member and the tape member The problem that the temperature of the surrounding front panel 110 is excessively increased. was there.

[0023]   The present invention has been made to solve the above problems, and its purpose is to The data projector device that prevents the temperature of the Is to provide.

[0024]

[Means for Solving the Problems]

  One data projector device according to the present invention is for displaying digital information. A data projector device, the housing including a front panel, a light source, and a mirror And a lens, a substrate, a fan, an aluminum tape member, and a fin. . The light source is arranged on the front panel side. The mirror part is emitted from the light source. The incident light is reflected in a predetermined direction. The lens is attached to the front panel, The light reflected by the mirror unit is projected. The board part is It is arranged on the side opposite to the side where the flannel is located and has the function of generating the voltage of the light source. It The fan is installed between the light source and the board, and emits air taken in from the outside of the housing. Send to the source. The aluminum tape member is the light source on the back side of the front panel. It is attached to the part that faces the front panel and disperses the area where the temperature rises on the front panel. A plurality of predetermined openings are provided for the purpose. The fin is a fan and a light source The air sent by the fan is placed between the front panel and the temperature Focus on sending to the rising area.

[0025]   According to this configuration, first, the portion of the back side of the front panel facing the light source Aluminum tape member is attached to the aluminum tape member and A number of openings are provided. This allows such openings to be The warm air that has passed through the light source when not formed on the The part of the front panel that is located around the aluminum tape member on the panel As compared to the case where heat is conducted to the Of the heat conducted to the part of the front panel located around the aluminum tape member. A portion will conduct to the portion of the front panel that is located around the opening. Therefore, the area where the temperature rises is dispersed in the front panel. Also, The air sent by the fan rises in temperature on the front panel due to the fins It is sent in a concentrated manner to the area where This provided such fins Compared to the case where air hits the front panel without fail, in the front panel The area in which the temperature rises will spread. Therefore, for the same amount of heat, By increasing the rising area, the temperature rise per unit area is suppressed. this As a result, it is effective to create an area where the temperature rises excessively on the front panel. It can be deterred.

[0026]   Another data projector device according to the present invention is for displaying digital information. A data projector device, including a housing including a front panel, a light source, and a board unit. And a blower unit and a heat conductive seal member. The light source is located on the side of the front panel. It is set up. The board part is on the side opposite to the side where the front panel is located with respect to the light source. It is provided and has a function of controlling the light source. The air blower is placed between the light source and the board. It is installed and sends the air taken in from the outside of the housing toward the light source. Thermally conductive seal member Is mounted on the back side of the front panel at a portion facing the light source. That heat For the conductive seal member, disperse the temperature rise area in the front panel. A plurality of predetermined openings are provided for the purpose.

[0027]   According to this configuration, the area on the back side of the front panel facing the light source is The aluminum tape member is attached to the aluminum tape member, and the A mouth is provided. This ensures that such openings are Warm air that has passed through the light source when not formed on the material is front panel Heat is applied to the part of the front panel located around the aluminum tape member. Compared to conducting, warm air passes through the openings, Part of the heat conducted to the part of the front panel located around the aluminum tape member , Will be conducted to the portion of the front panel located around the opening. That Therefore, the area where the temperature rises is dispersed in the front panel. As a result, Effectively prevents excessive temperature rise in the front panel be able to.

[0028]   More specifically, the heat conductive seal member is preferably made of aluminum. Good

[0029]   This ensures that heat can be conducted.   In addition, it is arranged between the air blower and the light source, and blows the air blown by the air blower. Fins for concentrated feeding to the area where the temperature rises in the front panel Is preferably provided.

[0030]   In this case, the air sent by the fan is transferred by the fins to the front panel. By sending it concentratedly to the area of Compared to the case where air hits the front panel without fins, The region where the temperature rises in the front panel spreads. This makes the same By increasing the area where the temperature rises with respect to the amount of heat, the temperature per unit area The rise is suppressed. As a result, the temperature of the front panel may rise excessively. The area can be effectively prevented from occurring.

[0031]   Still another data projector device according to the present invention displays digital information. A data projector device for use, which includes a housing including a front panel, and a light source. It is provided with a substrate part, a blower part, and a fin. The light source is located on the front panel side ing. The board is placed on the side opposite to the side where the front panel is located with respect to the light source. And has a function of controlling the light source. The blower unit is arranged between the light source and the substrate unit. , Sends the air taken from outside the housing toward the light source. The fin connects the blower and the light source The temperature of the air sent by the air blower placed between Focus on sending to the rising area.

[0032]   According to this structure, the air sent by the fan is transferred to the front surface by the fins. The concentrated flow in the channel toward the area of elevated temperature Compared to the case where air hits the front panel without the fins like The area where the temperature rises in the front panel spreads. This allows The temperature per unit area is increased by expanding the area where the temperature rises for the same amount of heat. The rise is suppressed. As a result, the front panel will overheat. Area can be effectively prevented.

[0033]   In particular, the fin is a portion that emits light in the light source of the air sent by the air blower. It is preferable that they are arranged so as to be concentrated and passed through.

[0034]   As a result, the light source can be reliably cooled.   In addition, the heat conduction on the back side of the front panel facing the light source The heat conductive seal member is equipped with a Provided with a plurality of predetermined openings to disperse areas of increasing degree Is preferred.

[0035]   In this case, if such an opening is not formed in the heat conductive seal member, The warm air that has passed through the light source hits the front panel and the heat conductive seal Compared to the case where heat is conducted to the part of the front panel located around the member, The paddle air is positioned around the heat conductive seal member by passing through the opening. A portion of the heat conducted to the front panel part is located around the opening. It will be conducted to the panel part. This keeps the temperature on the front panel The areas of increasing degrees are dispersed. As a result, the front panel is overheated. It is possible to effectively prevent the occurrence of a region of increasing power.

[0036]

[Embodiment of device]

  A data projector device according to an embodiment of the present invention will be described. Figure 1 As shown in FIG. 2 and FIG. 2, the data projector device 1 including the front panel 10 In the housing 20, the light source 2, the device 4, the fan 8, the board portion 6 and the like are arranged at predetermined positions. Are respectively arranged in the table.

[0037]   As the light source 2, for example, a halogen lamp 2a is used. Device 4 A spatial light modulator, which is the number of high-speed digital lights equivalent to pixels on a semiconductor chip. A mirror 4a as a switch is formed.

[0038]   The light emitted from the light source 2 passes through a predetermined color filter 2b and then the device 4 Is incident on. The incident light is reflected by the mirror 4a. By the mirror 4a The light reflected by the light source 2 is directed at about 90 ° with respect to the direction of the light emitted from the light source 2. It is changed and emitted toward the lens 14. The light transmitted through the lens 14 is the screen (Not shown).

[0039]   The light source 2 and the device 4 are arranged close to the front panel 10 side. There is. On the other hand, the board portion 6 is provided on the back side opposite to the front panel 10. There is. A fan 8 is arranged between the light source 2 and the substrate 6.

[0040]   In addition, an air intake port 1 for taking air into the housing 20 is provided on a side portion of the housing 20. 6 is formed. On the other hand, the air in the housing 20 is exhausted to the front panel 10. An air discharge port 18 for forming is formed.

[0041]   Front panel 10 is formed of, for example, polycarbonate. That An aluminum tape portion is provided on the back side of the front panel 10 facing the light source 2. The material 12 is attached. The aluminum tape member 12 is shown in FIG. As described above, a plurality of openings 12a are provided.

[0042]   When the data projector device 1 is in operation, the air intake port is opened by the fan 8. Air is taken into the housing 20 from 16. The air taken in the housing 20 is , Flows toward the light source 2 from the substrate portion 6 side.

[0043]   The heat generated in the light source 2 is conducted to the air. Because the heat of the light source 2 is conducted The air whose temperature has risen hits the front panel 10 and The air is discharged from the slit-shaped air outlet 18 provided outside the housing 20. It

[0044]   The area where the heated air hits the front panel 10 has aluminum The pulling member 12 is attached. Moreover, the aluminum tape member 12 , A plurality of openings 12a are provided.

[0045]   By forming the opening 12a in the aluminum tape member 12, Prevents the front panel 10 from having an excessively high temperature region. You can This will be described in detail.

[0046]   First, as shown in FIG. 4, an aluminum tape member having no opening is formed. If there is hot air in the area around the aluminum tape member 12, Heat is conducted to the portion of the front panel 10 located, and the temperature of that portion rises. Region TH is produced.

[0047]   On the other hand, as shown in FIG. 5, aluminum having a plurality of openings 12a formed therein. In the case of the tape member 12, air whose temperature has risen should pass through the opening 12a. Of the front panel 10 located around the aluminum tape member 12. A part of the heat conducted to the part is located on the front panel 10 around the opening 12a. Will be conducted to the part of.

[0048]   Therefore, the temperature of the portion of the front panel located around the opening 12a rises. A region HTP to be operated is generated. On the other hand, around the aluminum tape member 12 In the portion of the front panel 10 located at The area of the region HT where the temperature rises becomes small.

[0049]   As a result, the region where the temperature rises in the front panel 10 is dispersed. As a result, there is a region in the front panel 10 where the temperature rises excessively. Can be effectively prevented.

[0050]   If the front panel 10 is not fitted with an aluminum tape member, In contrast to the temperature range of 100 ° C in the panel 10 By mounting the aluminum tape member 12 provided with the portion 12a, It was experimentally confirmed that the increase can be suppressed to about 80 ° C even if it is high.

[0051]   Further, in this data projector device, as shown in FIG. A predetermined fin 3a is provided between and. This fin 3a is driven by the fan 8. Focus the air sent to the area of the front panel 10 where the temperature rises It is arranged so that it can be sent to.

[0052]   Due to the fact that the fins 3a are arranged, Therefore, it is possible to prevent an area where the temperature rises excessively. This thing And explain in detail.

[0053]   First, as shown in FIG. 7, the member 3b having no fin is provided. When the air is sent from the fan 8, the lamp (light source main body) 2a of the light source 2 is installed. The front panel 10 passes evenly through almost all of the marked area (space). It will be worth it.

[0054]   At this time, of the air sent in, it passes through the front surface of the lamp 2a (where the temperature is high). The heat of the lamp 2a is conducted to the generated air and the temperature of the air rises. Shown in Figure 9 As the temperature-increasing air hits the back side of the front panel 10, A region 21a where the temperature of the front panel 10 rises is generated.

[0055]   In FIG. 9, an aluminum tape member is attached to the back side of the front panel 10. Under the condition that the temperature does not rise, the area where the temperature rises is the front side 10a of the front panel 10. Are shown.

[0056]   On the other hand, as shown in FIG. 8, the fin 3a is provided between the fan 8 and the lamp 2a. In this case, the air sent from the fan 8 is in front of the lamp 2a from which light is emitted. The heat of the lamp 2a is intensively passed to the surface and the heat of the lamp 2a is conducted to the air, and the temperature of the air rises.

[0057]   As shown in FIG. 9, the air whose temperature has risen hits the back side of the front panel 10. As a result, a region 21b where the temperature of the front panel 10 rises is generated.

[0058]   In this case, the air sent from the fan 8 is intensively sent to the front surface of the lamp 2a. Since the front panel 10 is exposed to the heat, the area 21b where the temperature rises is the area 21b. It will be wider than a.

[0059]   This expands the area where the temperature rises for the same amount of heat, The temperature rise per area is suppressed. As a result, in the front panel 10, It is possible to effectively prevent a region where the temperature rises excessively.

[0060]   When the fins 3a are not provided, the temperature on the front panel 10 is 10 While the region of about 0 ° C. was generated, by disposing the fin 3a, It was experimentally confirmed that the temperature rise can be suppressed to about 95 ° C even if it is high.

[0061]   Therefore, the aluminum which has a plurality of openings 12a on the back side of the front panel 10 The aluminum tape member 12 is attached, and the entire lamp is placed between the fan 8 and the light source 2. By arranging the fins 3a that concentrate the air toward the surface, The area where the temperature rises excessively in the channel 10 is dispersed and the unit area The temperature rise of the front panel 10 is suppressed most effectively by suppressing the temperature rise of the front panel 10. You can stop.

[0062]   In the data projector device described above, a tape member having thermal conductivity and I explained aluminum as an example, but in addition to this, copper etc. has high thermal conductivity. A tape member made of a material may be used.

[0063]   The embodiments disclosed this time are examples in all respects, and are not restrictive. Should be considered. The present invention is not the above description but the utility model registration request. It is indicated by the scope and has the same meaning and scope as the scope of the utility model registration claim. All changes are intended to be included.

[0064]

[Effect of device]

  According to one data projector device of the present invention, first, the front panel An aluminum tape member is attached to the part on the back side that faces the light source. The aluminum tape member is provided with a plurality of predetermined openings. This will Light source when the opening like The warm air that has passed through hits the front panel and surrounds the aluminum tape member. Compared with the case where heat is conducted to the part of the front panel located at By passing through the opening, the flow around the aluminum tape member is prevented. A portion of the heat conducted to the front panel part is located in the front panel around the opening. It will be conducted to the part of the line. Therefore, the temperature rises on the front panel. The areas to be distributed are dispersed. In addition, the air sent by the fan is blown by the fins. It is sent in a concentrated manner toward the area where the temperature rises in the front panel. to this Compared to the case where air hits the front panel without such fins. The slippage spreads the region where the temperature rises in the front panel. That Therefore, the unit area is warmed by expanding the area where the temperature rises for the same amount of heat. Temperature rise is suppressed. As a result of these, the front panel is overheated. It is possible to effectively prevent the occurrence of a region of increasing power.

[0065]   According to another data projector device of the present invention, the back side of the front panel is The aluminum tape member is attached to the part facing the light source. The um-tape member is provided with a plurality of predetermined openings. This makes it so Passes through the light source when a large opening is not formed in the aluminum tape member Warm air hits the front panel around the aluminum tape members When compared to when heat is conducted to the front panel, The front pad located around the aluminum tape member Part of the heat conducted to the flannel part is the part of the front panel located around the opening. It will be transmitted to the minute. Therefore, the temperature rises on the front panel. The areas are dispersed. As a result, the temperature of the front panel may rise excessively. The area can be effectively prevented from occurring.

[0066]   More specifically, the heat conductive seal member is preferably made of aluminum. Moreover, it is possible to surely conduct heat.

[0067]   In addition, it is arranged between the air blower and the light source, and blows the air blown by the air blower. Fins for concentrated feeding to the area where the temperature rises in the front panel Is preferably provided, in which case the air sent by the fan is Concentrated feed to the area where the temperature rises on the front panel by the tin By being squeezed, the air will not reach the front panel without such fins. Compared to the case of hitting, the area where the temperature rises on the front panel spreads wider. Becomes As a result, the area where the temperature rises is expanded for the same amount of heat. Therefore, the temperature rise per unit area is suppressed. As a result, the front panel smells As a result, it is possible to effectively prevent a region where the temperature rises excessively.

[0068]   According to still another data projector device of the present invention, the data is sent by a fan. Air is directed by the fins to the area of the front panel where the temperature rises. Air is blown away without the need for such fins. The temperature rises on the front panel compared to when it hits the front panel The area will be expanded. As a result, the area where the temperature rises for the same amount of heat By spreading, the temperature rise per unit area is suppressed. As a result, CFC Panel, effectively prevent the formation of areas of excessive temperature rise. You can

[0069]   In particular, the fin is a portion that emits light in the light source of the air sent by the air blower. It is preferable that the light sources are arranged so as to pass through in a concentrated manner. Can be reliably cooled.

[0070]   In addition, the heat conduction on the back side of the front panel facing the light source The heat conductive seal member is equipped with a Provided with a plurality of predetermined openings to disperse areas of increasing degree In this case, such an opening is formed in the heat conductive seal member. If not, the warm air that has passed through the light source will hit the front panel and transfer heat. Compared with the case where heat is conducted to the part of the front panel located around the conductive seal member. When slipping, warm air passes through the openings, which causes A portion of the heat conducted to the front panel portion located in the enclosure is located around the opening. It will be conducted to the front panel. This allows the front panel At, the areas of increasing temperature are dispersed. As a result, on the front panel Therefore, it is possible to effectively prevent a region where the temperature rises excessively.

[Brief description of drawings]

FIG. 1 is a top view of a data projector device according to an embodiment of the present invention.

FIG. 2 is a perspective view of the data projector device shown in FIG. 1 in the same embodiment.

FIG. 3 is a diagram showing a front panel and an aluminum tape member in the same embodiment.

FIG. 4 is a first diagram schematically showing a temperature distribution in the front panel for explaining the effect of mounting the aluminum tape member in the same embodiment.

FIG. 5 is a second diagram schematically showing the temperature distribution in the front panel for explaining the effect of mounting the aluminum tape member in the same embodiment.

FIG. 6 is a partial perspective view of the data projector device shown in FIG. 1 in the embodiment.

FIG. 7 is a diagram showing an air flow for explaining the effect of disposing the fins in the same embodiment.

FIG. 8 is a diagram showing an air flow when a fin for comparison is not provided in the embodiment.

FIG. 9 is a diagram schematically showing a temperature distribution in the front panel for explaining the effect of disposing the fins in the same embodiment.

FIG. 10 is a sectional view of a conventional projector device.

FIG. 11 is a cross-sectional perspective view of another conventional projector device.

FIG. 12 is a top view of a conventional data projector device.

[Explanation of symbols]

1 data projector device, 2 light source, 2a lamp, 2b color filter, 3a fin, 4 device, 4a mirror, 6 board part, 8 fan, 10 front panel, 12 aluminum tape member, 12a
Opening part, 14 lens, 16 air intake port, 18 air exhaust port, 20 housing.

Claims (7)

[Scope of utility model registration request] 1. A data projector device for displaying digital information, comprising: a housing including a front panel, a light source disposed on the front panel side, and a light emitted from the light source and incident on the housing. A mirror part for reflecting light in the direction of, a lens mounted on the front panel for projecting light reflected by the mirror part, and a side opposite to the side where the front panel is located with respect to the light source. And a substrate portion having a function of generating the voltage of the light source, and arranged between the light source and the substrate portion, for sending air taken from outside the casing toward the light source. And a predetermined plurality of fans mounted on a portion of the back side of the front panel facing the light source and configured to disperse a region where temperature rises on the front panel. An aluminum tape member provided with an opening, and arranged between the fan and the light source, for centrally sending air sent by the fan toward a region where the temperature rises in the front panel. A data projector device including a fin. 2. A data projector device for displaying digital information, comprising: a housing including a front panel, a light source disposed on the front panel side, and the front panel being positioned with respect to the light source. Is disposed on the opposite side to the side having the function of controlling the light source, and is disposed between the light source and the substrate section, and the air taken in from the outside of the housing is used as the light source. An air blower for sending toward, and a heat conductive seal member mounted on a portion of the back side of the front panel facing the light source, the heat conductive seal member having a temperature rise in the front panel. A data projector device provided with a plurality of predetermined openings for dispersing the areas to be processed. 3. The data projector device according to claim 2, wherein the heat conductive seal member is made of aluminum. 4. A fin is provided between the air blower and the light source, and is provided with fins for intensively sending air sent by the air blower toward an area where the temperature rises in the front panel. The data projector device according to claim 2 or 3. 5. A data projector device for displaying digital information, comprising: a housing including a front panel, a light source disposed on the front panel side, and the front panel being positioned with respect to the light source. Is disposed on the opposite side to the side having the function of controlling the light source, and is disposed between the light source and the substrate section, and the air taken in from the outside of the housing is used as the light source. An air blower for sending toward, and an air blower arranged between the air blower and the light source, for blowing air sent by the air blower in a concentrated manner toward a region where the temperature rises in the front panel. A data projector device including a fin. 6. The data projector device according to claim 5, wherein the fins are arranged so that the air blown by the blower unit is concentratedly passed through a portion of the light source that emits light. 7. A heat conductive seal member mounted on a portion of the back side of the front panel facing the light source, wherein the heat conductive seal member disperses a region where the temperature rises in the front panel. 7. The data projector device according to claim 5, wherein a plurality of predetermined openings are provided.